module ship_littler_mod

  use datetime
  use string
  use container
  use flogger
  use params_mod
  use data_translators_utils_mod
  use ship_mod

  implicit none

  private

  public ship_littler_write

contains

  subroutine ship_littler_write(file_path, ships, records)

    character(*), intent(inout) :: file_path
    type(hash_table_type), intent(inout) :: ships
    type(linked_list_type), intent(inout) :: records

    type(linked_list_iterator_type) record_iterator
    real ta, td, p
    integer i
    character(20) date_char

    if (file_path == '') file_path = 'ship.littler'

    open(10, file=file_path, form='formatted')

    i = 1
    record_iterator = linked_list_iterator(records)
    do while (.not. record_iterator%ended())
      select type (record => record_iterator%value)
      type is (ship_record_type)
        ta = add(record%ta, freezing_point)
        td = add(record%td, freezing_point)
        p  = multiply(record%p, 100.0)
        date_char = adjustr(pad_string(record%time%format('%Y%m%d%H%M%S'), 20))
        ! Header
        write(10, '(F20.5)', advance='no') littler_value(record%lat)                            ! latitude
        write(10, '(F20.5)', advance='no') littler_value(record%lon)                            ! longitude
        write(10, '(A40)',   advance='no') pad_string(record%ship%name, 40)                     ! id
        write(10, '(A40)',   advance='no') pad_string(record%ship%name, 40)                     ! name
        write(10, '(A40)',   advance='no') pad_string('FM-13 SHIP', 40)                         ! platform
        write(10, '(A40)',   advance='no') pad_string('N/A', 40)                                ! source
        write(10, '(F20.5)', advance='no') littler_value(record%z)                              ! elevation
        write(10, '(I10)',   advance='no') 1                                                    ! num_vld_fld
        write(10, '(I10)',   advance='no') 0                                                    ! num_error
        write(10, '(I10)',   advance='no') 0                                                    ! num_warning
        write(10, '(I10)',   advance='no') i                                                    ! seq_num
        write(10, '(I10)',   advance='no') 0                                                    ! num_dups
        write(10, '(L10)',   advance='no') .false.                                              ! is_sound
        write(10, '(L10)',   advance='no') .false.                                              ! bogus
        write(10, '(L10)',   advance='no') .false.                                              ! discard
        write(10, '(I10)',   advance='no') int_missing_value_in_littler                         ! obs_time
        write(10, '(I10)',   advance='no') int_missing_value_in_littler                         ! julian_day
        write(10, '(A20)',   advance='no') date_char
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! slp
        write(10, '(I7)',    advance='no') 0                                                    ! slp QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! ref_pres
        write(10, '(I7)',    advance='no') 0                                                    ! ref_pres QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! ground_t
        write(10, '(I7)',    advance='no') 0                                                    ! ground_t QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! SST
        write(10, '(I7)',    advance='no') 0                                                    ! SST QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! psfc
        write(10, '(I7)',    advance='no') 0                                                    ! psfc QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! precip
        write(10, '(I7)',    advance='no') 0                                                    ! precip QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! t_max
        write(10, '(I7)',    advance='no') 0                                                    ! t_max QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! t_min
        write(10, '(I7)',    advance='no') 0                                                    ! t_min QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! t_max night
        write(10, '(I7)',    advance='no') 0                                                    ! t_max night QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! p_tend03
        write(10, '(I7)',    advance='no') 0                                                    ! p_tend03 QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! p_tend24
        write(10, '(I7)',    advance='no') 0                                                    ! p_tend24 QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! clound_cover
        write(10, '(I7)',    advance='no') 0                                                    ! clound_cover QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! ceiling
        write(10, '(I7)',    advance='no') 0                                                    ! celing QC
        write(10, *)
        ! Record
        write(10, '(F13.5)', advance='no') littler_value(p)                                     ! pressure (Pa)
        write(10, '(I7)',    advance='no') 0                                                    ! pressure QC
        write(10, '(F13.5)', advance='no') 0.0                                                  ! height
        write(10, '(I7)',    advance='no') 0                                                    ! height QC
        write(10, '(F13.5)', advance='no') littler_value(ta)                                    ! temperature (K)
        write(10, '(I7)',    advance='no') 0                                                    ! temperature QC
        write(10, '(F13.5)', advance='no') littler_value(td)                                    ! dewpoint (K)
        write(10, '(I7)',    advance='no') 0                                                    ! dewpoint QC
        write(10, '(F13.5)', advance='no') littler_value(record%ws)                             ! wind speed (m s^-1)
        write(10, '(I7)',    advance='no') 0                                                    ! wind QC
        write(10, '(F13.5)', advance='no') littler_value(record%wd)                             ! wind direction (degree)
        write(10, '(I7)',    advance='no') 0                                                    ! wind QC
        write(10, '(F13.5)', advance='no') littler_value(record%ua)                             ! wind u component (m s^-1)
        write(10, '(I7)',    advance='no') 0                                                    ! wind u component QC
        write(10, '(F13.5)', advance='no') littler_value(record%va)                             ! wind v component (m s^-1)
        write(10, '(I7)',    advance='no') 0                                                    ! wind v component QC
        write(10, '(F13.5)', advance='no') littler_value(record%rh)                             ! relative humidity (%)
        write(10, '(I7)',    advance='no') 0                                                    ! relative humidity QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! thickness (m)
        write(10, '(I7)',    advance='no') 0                                                    ! thickness QC
        write(10, *)
        ! End
        write(10, '(F13.5)', advance='no') -777777.0                                            ! pressure (Pa)
        write(10, '(I7)',    advance='no') 0                                                    ! pressure QC
        write(10, '(F13.5)', advance='no') -777777.0                                            ! height
        write(10, '(I7)',    advance='no') 0                                                    ! height QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! temperature (K)
        write(10, '(I7)',    advance='no') 0                                                    ! temperature QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! dewpoint (K)
        write(10, '(I7)',    advance='no') 0                                                    ! dewpoint QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! wind speed (m s^-1)
        write(10, '(I7)',    advance='no') 0                                                    ! wind QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! wind direction (degree)
        write(10, '(I7)',    advance='no') 0                                                    ! wind QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! wind u component (m s^-1)
        write(10, '(I7)',    advance='no') 0                                                    ! wind u component QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! wind v component (m s^-1)
        write(10, '(I7)',    advance='no') 0                                                    ! wind v component QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! relative humidity (%)
        write(10, '(I7)',    advance='no') 0                                                    ! relative humidity QC
        write(10, '(F13.5)', advance='no') real_missing_value_in_littler                        ! thickness (m)
        write(10, '(I7)',    advance='no') 0                                                    ! thickness QC
        write(10, *)
      end select
      call record_iterator%next()
      write(10, '(3I7)') 1, 0, 0
      i = i + 1
    end do

    close(10)

  end subroutine ship_littler_write

end module ship_littler_mod
